7 letter words:
swifter13,
6 letter words:
freits9,
frites9,
refits9,
resift9,
rifest9,
sifter9,
strife9,
sweirt9,
twiers9,
twires9,
wriest9,
writes9,
5 letter words:
swerf11,
swift11,
wefts11,
wifes11,
feist8,
fiers8,
fiest8,
fires8,
first8,
freit8,
frets8,
fries8,
frise8,
frist8,
frits8,
refit8,
reifs8,
rifte8,
rifts8,
serif8,
strew8,
sweir8,
swire8,
terfs8,
treif8,
trews8,
twier8,
twire8,
weirs8,
wires8,
wiser8,
wites8,
wrest8,
wries8,
wrist8,
write8,
writs8,
reist5,
resit5,
rites5,
stire5,
tiers5,
tires5,
tries5,
4 letter words:
weft10,
wife10,
efts7,
ewts7,
feis7,
fest7,
fets7,
fier7,
fire7,
firs7,
fist7,
fits7,
fret7,
fris7,
frit7,
refs7,
reft7,
reif7,
rews7,
rife7,
rifs7,
rift7,
seif7,
serf7,
sift7,
stew7,
tefs7,
terf7,
tews7,
tref7,
trew7,
weir7,
wert7,
west7,
wets7,
wire7,
wise7,
wist7,
wite7,
wits7,
writ7,
erst4,
ires4,
reis4,
rest4,
rets4,
rise4,
rite4,
rits4,
seir4,
sire4,
site4,
stie4,
stir4,
tier4,
ties4,
tire4,
tres4,
trie4,
3 letter words:
few9,
efs6,
eft6,
erf6,
ewt6,
fer6,
fes6,
fet6,
fie6,
fir6,
fit6,
ifs6,
ref6,
rew6,
rif6,
sew6,
sif6,
tef6,
tew6,
wet6,
wis6,
wit6,
ers3,
est3,
ire3,
its3,
rei3,
res3,
ret3,
rit3,
sei3,
ser3,
set3,
sir3,
sit3,
sri3,
tes3,
tie3,
tis3,
2 letter words:
ef5,
fe5,
if5,
we5,
er2,
es2,
et2,
is2,
it2,
re2,
si2,
st2,
te2,
ti2,